Update Dockerfile

Dockerfile

@@ -161,7 +161,7 @@ RUN cmake -C ../cmake/toolchains/gnu_py.cmake -DEXTERNAL_BOOST=OFF ../ \
 WORKDIR /opt/tutorials
 COPY tutorials/ .
 
-RUN pip install hdbscan
+RUN conda install --quiet --yes hdbscan
 RUN pip install ./analytics-compressed-sensing
 RUN pip install ./analytics-convolutional-nn \
  && pip install 'git+https://github.com/raghakot/keras-vis.git'